def run(self):
# Init shared clock generator
self.clck_gen = CLCKGen([])
# Power measurement emulation
# Noise: -120 .. -105
# BTS: -75 .. -50
self.fake_pm = FakePM(-120, -105, -75, -50)
# Init TRX instance for BTS
self.bts_trx = FakeTRX(self.argv.trx_bind_addr,
self.argv.bts_addr, self.argv.bts_base_port,
clck_gen = self.clck_gen)
# Init TRX instance for BB
self.bb_trx = FakeTRX(self.argv.trx_bind_addr,
self.argv.bb_addr, self.argv.bb_base_port,
pwr_meas = self.fake_pm)
# Burst forwarding between transceivers
self.burst_fwd = BurstForwarder()
self.burst_fwd.add_trx(self.bts_trx)
self.burst_fwd.add_trx(self.bb_trx)
log.info("Init complete")
# Enter main loop
while True:
socks = [self.bts_trx.ctrl_if.sock, self.bb_trx.ctrl_if.sock,
self.bts_trx.data_if.sock, self.bb_trx.data_if.sock]
# Wait until we get any data on any socket
r_event, w_event, x_event = select.select(socks, [], [])
# Downlink: BTS -> BB
if self.bts_trx.data_if.sock in r_event:
msg = self.bts_trx.recv_data_msg()
if msg is not None:
self.burst_fwd.forward_msg(self.bts_trx, msg)
# Uplink: BB -> BTS
if self.bb_trx.data_if.sock in r_event:
msg = self.bb_trx.recv_data_msg()
if msg is not None:
self.burst_fwd.forward_msg(self.bb_trx, msg)
# CTRL commands from BTS
if self.bts_trx.ctrl_if.sock in r_event:
self.bts_trx.ctrl_if.handle_rx()
# CTRL commands from BB
if self.bb_trx.ctrl_if.sock in r_event:
self.bb_trx.ctrl_if.handle_rx()
def __init__(self):
self.app_print_copyright(APP_CR_HOLDERS)
self.argv = self.parse_argv()
# Set up signal handlers
signal.signal(signal.SIGINT, self.sig_handler)
# Configure logging
self.app_init_logging(self.argv)
# List of all transceivers
self.trx_list = TRXList()
# Init shared clock generator
self.clck_gen = CLCKGen([])
# Power measurement emulation
# Noise: -120 .. -105
# BTS: -75 .. -50
self.fake_pm = FakePM(-120, -105, -75, -50)
self.fake_pm.trx_list = self.trx_list
# Init TRX instance for BTS
self.append_trx(self.argv.bts_addr,
self.argv.bts_base_port,
name="BTS")
# Init TRX instance for BB
self.append_trx(self.argv.bb_addr, self.argv.bb_base_port, name="MS")
# Additional transceivers (optional)
if self.argv.trx_list is not None:
for trx_def in self.argv.trx_list:
(name, addr, port, idx) = trx_def
self.append_child_trx(addr, port, idx, name)
# Burst forwarding between transceivers
self.burst_fwd = BurstForwarder(self.trx_list.trx_list)
log.info("Init complete")
def run(self):
# Init TRX CTRL interface for BTS
self.bts_ctrl = CTRLInterfaceBTS(self.argv.bts_addr,
self.argv.bts_base_port + 101,
self.argv.trx_bind_addr,
self.argv.bts_base_port + 1)
# Init TRX CTRL interface for BB
self.bb_ctrl = CTRLInterfaceBB(self.argv.bb_addr,
self.argv.bb_base_port + 101,
self.argv.trx_bind_addr,
self.argv.bb_base_port + 1)
# Power measurement emulation
# Noise: -120 .. -105
# BTS: -75 .. -50
self.pm = FakePM(-120, -105, -75, -50)
# Share a FakePM instance between both BTS and BB
self.bts_ctrl.pm = self.pm
self.bb_ctrl.pm = self.pm
# Init DATA links
self.bts_data = UDPLink(self.argv.bts_addr,
self.argv.bts_base_port + 102,
self.argv.trx_bind_addr,
self.argv.bts_base_port + 2)
self.bb_data = UDPLink(self.argv.bb_addr, self.argv.bb_base_port + 102,
self.argv.trx_bind_addr,
self.argv.bb_base_port + 2)
# BTS <-> BB burst forwarding
self.burst_fwd = BurstForwarder(self.bts_data, self.bb_data)
# Share a BurstForwarder instance between BTS and BB
self.bts_ctrl.burst_fwd = self.burst_fwd
self.bb_ctrl.burst_fwd = self.burst_fwd
# Provide clock to BTS
self.bts_clck = UDPLink(self.argv.bts_addr,
self.argv.bts_base_port + 100,
self.argv.trx_bind_addr,
self.argv.bts_base_port)
self.clck_gen = CLCKGen([self.bts_clck])
self.bts_ctrl.clck_gen = self.clck_gen
log.info("Init complete")
# Enter main loop
while True:
socks = [
self.bts_ctrl.sock, self.bb_ctrl.sock, self.bts_data.sock,
self.bb_data.sock
]
# Wait until we get any data on any socket
r_event, w_event, x_event = select.select(socks, [], [])
# Downlink: BTS -> BB
if self.bts_data.sock in r_event:
self.burst_fwd.bts2bb()
# Uplink: BB -> BTS
if self.bb_data.sock in r_event:
self.burst_fwd.bb2bts()
# CTRL commands from BTS
if self.bts_ctrl.sock in r_event:
data, addr = self.bts_ctrl.sock.recvfrom(128)
self.bts_ctrl.handle_rx(data.decode(), addr)
# CTRL commands from BB
if self.bb_ctrl.sock in r_event:
data, addr = self.bb_ctrl.sock.recvfrom(128)
self.bb_ctrl.handle_rx(data.decode(), addr)